Fenbrook Institution is a Canadian medium security prison located in Gravenhurst, Ontario.

It is now referred to as Beaver Creek Institution, Medium Unit.

The Canadian government announced plans to build the prison in 1992.

[2] A contract for the building's construction was awarded in 1996, and the facility opened in 1998.

[1] A new unit is being constructed that will house an additional 96 inmates and is scheduled to open in April 2014.